Circular PCB Mounting
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Circular Connectors with PCB Contacts

38999 pcb composite Amphenol provides circular connectors with PC Tail contacts for solder mounting on printed circuit boards. They are available in MIL-DTL-38999 Series I, II, and III, MIL-DTL-26482, and MIL-DTL-5015 Connectors. These connectors incorporate PCB contacts in sizes 16, 20, and 22D.

  • Lightweight, compact, high density and high reliability cylindrical
  • Operating voltage to 900 VAC (RMS) at sea level
  • Environmentally resistant
  • Solder or crimp rear release contacts in mating plug
  • Series I (LJT) - Bayonet coupling
    • Scoop-proof (recessed pins) offers maximum contact protection
  • Series II (JT) - Bayonet coupling
    • For applications requiring maximum weight/space savings and reliability
  • Series III (Tri-Start) - Threaded, quick coupling in one complete turn
    • Designed for general duty as well as severe environmental applications
    • Superior EMI shielding with grounding fingers and metal-to-metal mating
    • Filter/Transient protection versions available
    • Scoop-proof contact protection
    • Stainless steel firewall versions, and composite versions
    • Available in Hermetics

Guide to Selecting a PCB Circular Connector

Contact: PCB Connectors

Anthony Annunziata



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Amphenol Aerospace
40-60 Delaware Avenue
Sidney, NY 13838-1395



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